[mesa-users] Entropy equation used in MESA

Sanskriti Das dassanskriti at gmail.com
Wed Aug 3 10:17:07 EDT 2016


Hello, the ranges are same as MESA.

I am not sure how to use the whole module of EOS in the code so that I get
the entropy correctly and use that for further calculations.

Regards,
Sanskriti

On Wed, Aug 3, 2016 at 6:48 PM, Francis Timmes <fxt44 at mac.com> wrote:

> mesa looks up equation of state quantities from tables,
> which is why there is not an explicit calculation of
> thermodynamic quantities.
>
> one option is to use mesa's equation of state module in the other code
> so that there are no differences in, say, the entropy.
>
> what range of temperature, density, and composition regime are of interest?
>
> fxt
>
>
>
> > On Aug 3, 2016, at 4:45 AM, Sanskriti Das <dassanskriti at gmail.com>
> wrote:
> >
> > Hi,
> > I am a masters student involved in a research project. I am using the
> results of MESA as input of another code. I need to calculate the entropy
> in that code (along with many other things). But it does not match with
> what MESA calculates. Apparently the equations I am using to calculate
> entropy are different from what has been used in MESA.
> >
> > Therefore, it would be very helpful if someone can please tell which
> file contains the equations for calculating entropy. I have searched for it
> in several files in the EOS module but did not find it.
> >
> > Thanking,
> > Regards,
> > Sanskriti
> > (A project student at DAA in TIFR, Mumbai, India)
> >
> >
> ------------------------------------------------------------------------------
> > _______________________________________________
> > mesa-users mailing list
> > mesa-users at lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/mesa-users
>
>
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